Information theory and signal detection theory techniques were used to assess the validity of police reported traffic accident data. The validity criteria were the data and conclusions of muiti-disciplinary accident investigation teams who investigated the same traffic accidents. The results indicated that the accident level variables reported by the police with least reliability were vertical ...

This study examines the relationship between train traffic and the accident risk for road users at level crossings. The marginal effect of train traffic on the accident risk can be used to derive the marginal cost per train passage that is due to level crossing accidents. Based on Swedish data from 2000 to 2012 on level crossing accidents, train volume and crossing characteristics, the marginal...

background and aims: traffic crashes are multi-factorial consequences caused by human factors, technical issues and environmental conditions. the present study aimed to determine epidemiology of urban traffic injuries in iran and role of some human risk factors in occurrence of such outcomes in 2010. materials and methods: through a descriptive cross-sectional study, the records of 515205 injur...

conclusions due to more sophisticated diagnostic tools and surgical approaches, mortality and morbidity of blunt aortic injuries were significantly reduced over the years compared to thoracic endovascular aortic repair and or over two different time periods. objectives the aim of the present study was to retrospectively evaluate the mortality and morbidity with either treatment option. therefor...